CVE-2017-13766: Wireshark

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

In Wireshark 2.4.0 and 2.2.0 to 2.2.8, the Profinet I/O dissector could crash with an out-of-bounds write. This was addressed in plugins/profinet/packet-dcerpc-pn-io.c by adding string validation.

Affected products

• Wireshark Wireshark: version 2.0.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only; version 2.0.5 only; …

Published 2017-08-30. Last modified 2026-06-17.